* @see org.andromda.metafacades.uml.OperationFacade#getArguments()
*/
protected Collection handleGetArguments()
{
final Collection arguments = new ArrayList(metaObject.getParameter());
CollectionUtils.filter(arguments, new Predicate()
{
public boolean evaluate(Object object)
{
return !ParameterDirectionKindEnum.PDK_RETURN.equals(((Parameter)object).getKind());
}